/* Copyright Statement:
 *
 * This software/firmware and related documentation ("MediaTek Software") are
 * protected under relevant copyright laws. The information contained herein is
 * confidential and proprietary to MediaTek Inc. and/or its licensors. Without
 * the prior written permission of MediaTek inc. and/or its licensors, any
 * reproduction, modification, use or disclosure of MediaTek Software, and
 * information contained herein, in whole or in part, shall be strictly
 * prohibited.
 *
 * MediaTek Inc. (C) 2015. All rights reserved.
 *
 * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
 * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
 * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER
 * ON AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL
 * WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NONINFRINGEMENT. NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH
 * RESPECT TO THE SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY,
 * INCORPORATED IN, OR SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES
 * TO LOOK ONLY TO SUCH THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO.
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 * SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE
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 * ENTIRE AND CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE
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 * MEDIATEK SOFTWARE AT ISSUE, OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE
 * CHARGE PAID BY RECEIVER TO MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
 *
 * The following software/firmware and/or related documentation ("MediaTek
 * Software") have been modified by MediaTek Inc. All revisions are subject to
 * any receiver's applicable license agreements with MediaTek Inc.
 */

package com.mediatek.camera.v2.services.storage;

import android.content.Context;

import com.mediatek.camera.v2.services.storage.IStorageService.IStorageStateListener;
/**
 * The implement IStorageService.
 * use for those who want to get storage info
 *
 */
public class StorageServiceImpl implements IStorageService {

    private static StorageMonitor sStorageMonitor;
    /**
     * The constructor.
     * @param context context use for constructor StorageMonitor.
     */
    public StorageServiceImpl(Context context) {
        sStorageMonitor = new StorageMonitor(context);
        Storage.setContext(context);
        Storage.updateDefaultDirectory();
    }
    /**
     * Get storage monitor to register storage listener.
     * to monitor storage state change
     * @return StorageMonitor
     */
    public static StorageMonitor getStorageMonitor() {
            return sStorageMonitor;
    }

    @Override
    public boolean isStorageReady() {
        return Storage.isStorageReady();
    }

    @Override
    public String getFileDirectory() {
        return Storage.getFileDirectory();
    }

    @Override
    public long getCaptureStorageSpace() {
        long leftSpace = Storage.getAvailableSpace();
        if (leftSpace > Storage.LOW_STORAGE_THRESHOLD) {
            leftSpace = leftSpace - Storage.LOW_STORAGE_THRESHOLD;
        } else if (leftSpace > 0) {
            leftSpace = 0;
        }
        return leftSpace;
    }

    @Override
    public long getRecordStorageSpace() {
        long leftSpace = Storage.getAvailableSpace();
        if (leftSpace > Storage.RECORD_LOW_STORAGE_THRESHOLD) {
            leftSpace = leftSpace - Storage.RECORD_LOW_STORAGE_THRESHOLD;
        } else if (leftSpace > 0) {
            leftSpace = 0;
        }
        return leftSpace;
    }

    @Override
    public int getStorageHintInfo() {
        return Storage.getStorageHintInfo();
    }
    @Override
    public void registerStorageStateListener(IStorageStateListener listener) {
        sStorageMonitor.registerStorageStateListener(listener);
    }

    @Override
    public void unRegisterStorageStateListener(IStorageStateListener listener) {
        sStorageMonitor.unRegisterStorageStateListener(listener);
    }

}
